16 MPG combined is a figure that tells you exactly what the 2025 GMC Yukon 4WD 6.2L 8-cyl is: a large, uncompromising, full-size luxury SUV built for hauling people and gear with substantial power reserves. This is not a vehicle designed to sip fuel, nor does its target demographic expect it to. The Yukon 6.2L is for those who prioritize effortless acceleration, impressive towing capability, and a commanding presence on the road. Buyers of this Yukon variant are often families with boats, RVs, or horse trailers, or those who simply demand the elevated driving experience and a strong feel of a V8. They are acutely aware that moving a vehicle of this size and capability, especially with four-wheel drive and a potent 6.2-liter engine, naturally entails a higher fuel consumption rate. For them, the utility, comfort, and sheer grunt of the Yukon outweigh the frequent trips to the pump.

City and highway performance

Looking at the EPA ratings, the 2025 GMC Yukon 4WD 6.2L 8-cyl achieves 14 MPG in city driving and 18 MPG on the highway. The disparity between city and highway figures highlights the inherent challenges of urban operation for a vehicle of this size and power. Stop-and-go traffic, frequent acceleration from standstill, and the sheer mass of the Yukon conspire to drive down city economy. The powerful 6.2L V8, while incredibly smooth and responsive, is working harder to get the vehicle moving from rest. On the open road, however, the picture improves. The 10-speed automatic transmission plays a crucial role here, allowing the engine to settle into much lower RPMs during highway cruising, optimizing efficiency to its best possible extent for this powertrain. That 18 MPG highway figure is respectable for a vehicle capable of towing over 8,000 pounds, demonstrating that modern powertrain management can mitigate some, though certainly not all, of the efficiency penalties associated with large displacement engines.

Annual fuel cost

The EPA estimates an annual fuel cost of $3,600 for the 2025 GMC Yukon 4WD 6.2L 8-cyl. This figure provides a straightforward benchmark for potential ownership expenses. It’s calculated based on an assumption of 15,000 miles driven per year, split between city and highway driving, and using national average fuel prices, which fluctuate over time. This $3,600 is a significant line item in total ownership costs and serves as a realistic expectation for what a typical driver will spend on fuel alone over 12 months. Owners understand that this is the price of admission for the power, space, and capability the Yukon 6.2L delivers. It’s a transparent reflection of the vehicle’s operating characteristics, allowing buyers to budget accordingly for their full-size SUV experience.

Real-world expectations

In real-world driving scenarios, owners of the 2025 GMC Yukon 4WD 6.2L 8-cyl can generally expect to see figures very close to the EPA estimates. While some exceptionally light-footed drivers in ideal conditions might slightly nudge past the 18 MPG highway, it’s more common for vigorous acceleration, heavy towing, or consistently hilly terrain to pull those numbers down. Those who frequently tap into the V8’s 420 horsepower for quick overtakes or hard launches will quickly find themselves on the lower end of the spectrum, possibly even dipping below the 14 MPG city rating. Conversely, methodical drivers who use cruise control on flat highways and anticipate traffic flow can often reproduce or slightly exceed the EPA highway numbers. The key takeaway is that the Yukon’s fuel economy is highly sensitive to driving style and specific use, particularly when engaging its full power potential or navigating challenging conditions.

How it compares

When placed alongside its direct competitors, the 2025 GMC Yukon 4WD 6.2L 8-cyl’s 16 MPG combined fits squarely within the expected range for its class. The Cadillac Escalade with the identical 6.2L V8 engine often mirrors these figures, typically landing around 16 MPG combined as well. Looking at another key rival, the Ford Expedition Max with the 3.5L EcoBoost V6 in 4WD configuration generally hovers around 18-19 MPG combined, offering a slight edge in efficiency but with a different powertrain feel. The Toyota Sequoia with its i-FORCE MAX hybrid powertrain (a twin-turbo V6) might offer closer to 20-22 MPG combined in 4WD, representing a different technological approach to efficiency for large SUVs. For the buyer focused on the traditional V8 experience and substantial towing, the 16 MPG of the Yukon 6.2L is neither an outlier nor an overachiever, it’s a known quantity. The preference often comes down to engine character, brand loyalty, and specific feature sets rather than a marginal difference in fuel economy. Many buyers are making a deliberate choice for the proven power and sound of GM’s 6.2L V8. Further comparisons for YUKON MPG across all years are available.

Tips to maximize efficiency

Maintaining proper tire inflation is critical for a vehicle as large as the Yukon. Underinflated tires increase rolling resistance, forcing the powerful 6.2L V8 to work harder and directly impacting your MPG, particularly in highway driving.

Anticipating traffic and avoiding sudden acceleration and hard braking makes a significant difference. The Yukon’s substantial mass means more energy is required to accelerate and then dissipate, so smooth, gradual inputs are crucial for optimal fuel expenditure.

Use the adaptive cruise control and cylinder deactivation technology effectively. On highway stretches, engaging cruise control helps maintain a consistent speed, and the 6.2L’s ability to run on fewer cylinders under light loads is a key efficiency feature that should be allowed to operate frequently.

Consider the impact of aftermarket accessories and cargo. Roof racks, cargo carriers, or even regularly carrying unnecessary heavy items add aerodynamic drag and weight, which will inevitably diminish your fuel economy. Remove them when not in use.

Regular maintenance, including timely oil changes, air filter replacements, and spark plug inspections, ensures the engine operates at peak efficiency. A well-maintained engine burns fuel more completely and effectively, preventing wasteful consumption for all GMC fuel economy data.